TITLE

Demografía del caracol Plicopurpura pansa (Neotaenioglossa: Muricidae) y constitución de la comunidad malacológica asociada en Guerrero, México

AUTHOR(S)
Flores-Garza, Rafael; Flores-Rodríguez, Pedro; García-Ibáñez, Sergio; Valdés-González, Arcadio
PUB. DATE
September 2007
SOURCE
Revista de Biología Tropical;sep2007, Vol. 55 Issue 3/4, p867
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Demography of the snail Plicopurpura pansa (Neotaenioglossa: Muricidae) and constitution of the associated mollusk community, in Guerrero, Mexico. We quarterly sampled the molluskan community of Playa Ventura, Guerrero, Mexico. Sample size (20 m² in 1 m² units) was determined by the spatial distribution pattern of Plicopurpura pansa using a negative binomial distribution. The density of the P. pansa was 5.19 snails/m² and the sex ratio near 1:1. The average size was 20.10 mm (most females were 10.5 to 27.0 mm; most males 12.0 to 27.0 mm). Density was high and small sized dominated. Mean size varied with time. General mean weight was 1.79 g. Females weight varied more, maybe because of the reproductive cycle. Recruits were collected in five samplings. Most copulation activity was in March of 2001. The associated community includes 26 species of Gastropoda, five of Bivalvia and one of Polyplacophora, Brachidontes semilaevis being dominant.
ACCESSION #
26474644

 

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